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Well I pulled the codes on my truck today and got P0401-EGR insufficiant flow, P0528-fan speed sensor circut no signal. Installed my Edge CS and had a ECT around 180-186 highest it got was 190. My EOT hit a high of 224 while the ECT was at 182 driving on interstate doing 70. I was nearly ****ting myself while looking at this. Truck ran no different then it normally does and no smoke. I get no check engine light either. I am assuming oil cooler but the fan speed sensor had me wondering. At first I didnt think about it but I have heard it kick on when at idle when I first start it up. It will come and go and this is when its not warmed up or anything.

Also forgot to mention it pulled a U0306 code something to do with low voltage with FICM or something which this wasnt on there when I checked the codes the first time it showed up a couple hours later.
 
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